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The monthly w...

Question

The monthly wages of 30 workers in a factory are given below:

830, 835, 890, 810, 835, 836, 869, 845, 898, 890, 820, 860, 832, 833, 855, 845, 804, 808, 812, 840, 885, 835, 836, 878, 840, 868, 890, 806, 840, 890.

Represent the data in the form of a frequency distribution with class size 10.

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Solution

Highest wage =898

Lowest wage =804

Range =898-804=94

Frequency distribution table

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Q. The daily wages of 50 workers in a factory are given below :

\begin{matrix} Daily & 340 - 380 & 380 - 420 & 420 - 460 & 460 - 500 & 500 - 540 & 540 - 580 wages in rupees Number of & 16 & 9 & 12 & 2 & 7 & 4 workers \end{matrix}

Construct a histogram to represent the above frequency distribution.

The monthly salaries in rupees of 30 workers in a factory are given below.

5000, 7000, 3000, 4000, 4000, 3000, 3000, 3000, 8000, 4000,

4000, 9000, 3000, 5000, 5000, 4000, 4000, 3000, 5000, 5000,

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From the above data find the mean of monthly salary.

Q. The daily wages (in Rs) of 15 workers in a factory are given below.
200, 180, 150, 150, 130, 180, 180, 200, 150, 130, 180, 180, 200, 150, 180.

Arrange the above data in ascending order and prepare the frequency table.

The data of weekly wages of workers of a factory is given below.

Weekly Wages	Number of Workers
800 - 999	20
1000 - 1199	14
1200 - 1399	17
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Convert the above table in the form of exclusive class intervals.

Q. The weekly wages (in rupees) of 28 workers of a factory are given below:
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Construct a frequency table with equal class intervals, taking the first of the class intervals as 610−630, where 630 is not included.

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